How do you move on?

[HOPEFULinCALI]

My 10yr high school reunion is at the end of next month. I know that several of my classmates have recently married and several more have been married for some time. My graduating class was very small, about 65+. I have decided to go to reconnect with old friends and perhaps make some new ones. My best friend and many of my other good friends will not be attending nor will I be inviting a "date". Everyone knows that I am married so I am worried about having to tell them all we are no longer together; not to mention the stigma attached to being a potential divorcee.

I find that I receive one of two responses from the people when I tell them. Both make me feel as if I have just admitted to having a terminal illness. I either get looks of fear, as if they can "catch it", or a look and expression of pity. I don't want anyone to think of me as a failure or feel sorry for me. I feel compelled to explain the details of my sitch although I know I shouldn't have to. How do I approach this?